no sound

http://www.alsa-project.org/db/?f=eb8f0f1072ccd6dcb5c93f06be2e28781baa2c24

!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Fri May 8 15:58:13 UTC 2015

!!Linux Distribution
!!------------------

Ubuntu 15.04 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 15.04" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 15.04" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

!!DMI Information
!!---------------

Manufacturer: Hewlett-Packard
Product Name: HP Compaq 6715b (GR658ES#ABB)
Product Version: F.07
Firmware Version: 68YTT Ver. F.07

!!Kernel Information
!!------------------

Kernel release: 3.19.0-16-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes

!!ALSA Version
!!------------

Driver version: k3.19.0-16-generic
Library version: 1.0.28
Utilities version: 1.0.28

!!Loaded ALSA modules
!!-------------------

!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes

!!Soundcards recognised by ALSA
!!-----------------------------

--- no soundcards ---

!!PCI Soundcards installed in the system
!!--------------------------------------

00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)

!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:14.2 0403: 1002:4383
 Subsystem: 103c:30c2

!!Modprobe options (Sound related)
!!--------------------------------

snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2

!!Loaded sound module options
!!---------------------------

!!ALSA Device nodes
!!-----------------

crw-rw---- 1 root audio 116, 1 May 8 18:48 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 May 8 18:48 /dev/snd/timer

!!Aplay/Arecord output
!!--------------------

APLAY

aplay: device_list:268: no soundcards found...

ARECORD

arecord: device_list:268: no soundcards found...

!!Amixer output
!!-------------

!!Alsactl output
!!--------------

--startcollapse--
--endcollapse--

!!All Loaded Modules
!!------------------

Module
rfcomm
bnep
btusb
bluetooth
snd_hda_intel
hp_wmi
snd_hda_controller
sparse_keymap
amdkfd
snd_hda_codec
snd_hwdep
amd_iommu_v2
snd_pcm
snd_seq_midi
snd_seq_midi_event
snd_rawmidi
radeon
kvm_amd
kvm
snd_seq
pcmcia
wl
joydev
snd_seq_device
snd_timer
serio_raw
ttm
drm_kms_helper
snd
drm
cfg80211
yenta_socket
edac_core
k8temp
edac_mce_amd
soundcore
hp_accel
pcmcia_rsrc
i2c_piix4
i2c_algo_bit
pcmcia_core
lis3lv02d
input_polldev
wmi
8250_fintek
tpm_infineon
shpchp
video
mac_hid
parport_pc
ppdev
lp
parport
autofs4
hid_generic
usbhid
hid
uas
usb_storage
pata_acpi
firewire_ohci
psmouse
firewire_core
crc_itu_t
pata_atiixp
tg3
ptp
pps_core
ahci
libahci

!!ALSA/HDA dmesg
!!--------------

[ 13.306608] wl 0000:30:00.0 wlan1: renamed from wlan0
[ 13.310554] snd_hda_intel 0000:00:14.2: CORB reset timeout#1, CORBRP = 0
[ 13.389959] [drm] radeon: ring at 0x0000000080001000
--
[ 16.321099] Adding 3010556k swap on /dev/mapper/ubuntu--gnome--vg-swap_1. Priority:-1 extents:1 across:3010556k FS
[ 16.332064] snd_hda_intel 0000:00:14.2: azx_get_response timeout, switching to polling mode: last cmd=0x000f0000
[ 17.336045] snd_hda_intel 0000:00:14.2: Codec #0 probe error; disabling it...
[ 17.341597] snd_hda_intel 0000:00:14.2: CORB reset timeout#1, CORBRP = 0
[ 18.340053] snd_hda_intel 0000:00:14.2: Codec #1 probe error; disabling it...
[ 18.443644] snd_hda_intel 0000:00:14.2: CORB reset timeout#1, CORBRP = 0
[ 18.443662] snd_hda_intel 0000:00:14.2: no codecs initialized
[ 24.145503] WARNING! power/level is deprecated; use power/control instead